Step-by-step explanation:
Angle AOC + Angle COD + Angle BOC = 180
x + 10 + 7x/2 - 5 + x/2 = 180
5x + 5 = 180
5x = 175
x = 35
Therefore....
Angle AOC = 45
Angle COD = 117.5
Angle BOC = 17.5
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Answers & Comments
Step-by-step explanation:
Angle AOC + Angle COD + Angle BOC = 180
x + 10 + 7x/2 - 5 + x/2 = 180
5x + 5 = 180
5x = 175
x = 35
Therefore....
Angle AOC = 45
Angle COD = 117.5
Angle BOC = 17.5